Mailpiece tabber



FIG. 1 is a top, front and left side perspective view of a mailpiece tabber showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a mailpiece tabber, as shown and described. 